CN114146908A

CN114146908A - Building cement sieving mechanism

Info

Publication number: CN114146908A
Application number: CN202111494711.5A
Authority: CN
Inventors: 刘其均
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-03-08
Anticipated expiration: 2041-12-09
Also published as: CN114146908B

Abstract

The invention discloses a building cement screening device, which relates to the technical field of cement production and comprises a processing table, a screening bin and a vibrating device, wherein multiple groups of supporting legs are arranged between the screening bin and the processing table, a mounting plate and a screening drum assembly are fixedly arranged in the screening bin, and a material distribution mechanism used for being matched with the screening drum assembly to carry out screening operation is further arranged in the screening bin. According to the invention, through the arranged screening cylinder assembly and the material distribution mechanism matched with the screening cylinder assembly, the materials in the screening bin can be turned, and the cleaning brush bar extrudes the screening net cover while screening, so that the screening net cover vibrates, and the screening net cover screens the materials, so that the materials can be screened more sufficiently, and meanwhile, the materials can be prevented from being accumulated on the surface of the screening net cover; through the brush strip that cleans that sets up, can clean the brush strip and clear up screening screen panel surface at the in-process of screening, avoid screening screen panel mesh to block up.

Description

Building cement sieving mechanism

Technical Field

The invention relates to the technical field of cement production, in particular to a building cement screening device.

Background

Cement is a powdered hydraulic inorganic cementing material. The water is added and stirred to form slurry which can be hardened in the air or better hardened in the water and can firmly bond sand, stone and other materials together. As an important cementing material, the high-performance cement is widely applied to engineering such as civil construction, water conservancy, national defense and the like for a long time.

But at the in-process of raw materials screening, filter the raw materials through the filter screen, but the filter screen that the slope was placed is at the screening process, and the raw materials that some sizes accorded with directly drop to the bottom of filter screen and the raw materials that do not accord with the requirement mix, very waste.

Disclosure of Invention

The invention aims to: in order to solve the problems, the building cement screening device is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a building cement screening device comprises a processing table and a screening bin arranged above the processing table, wherein a plurality of groups of supporting legs are arranged between the screening bin and the processing table, an installation plate and a screening drum assembly are fixedly arranged inside the screening bin, and a material distribution mechanism used for being matched with the screening drum assembly to carry out screening operation is further arranged inside the screening bin;

screening section of thick bamboo subassembly is including the fixed screening section of thick bamboo main part that sets up between screening storehouse inner wall and mounting panel, screening section of thick bamboo main part upper end is uncovered setting, just screening section of thick bamboo main part upper end inner wall has seted up the spout, it is equipped with the screening screen panel to slide in the spout, the fixed dead lever that is equipped with of the inside intermediate position of screening section of thick bamboo main part, the dead lever top is equipped with multiunit fixed sleeve, the inside slip of fixed sleeve is equipped with movable ejector pin, just be equipped with reset spring between the inside and movable ejector pin bottom of fixed sleeve, activity ejector pin top is all fixed to be equipped with in screening screen panel bottom, screening screen panel top is equipped with the arc kicking block that is used for cooperating feed divider work.

As a further description of the above technical solution:

the feed mechanism is including the fixed motor that sets up at the screening storehouse lateral wall, motor output shaft fixedly connected with pivot, the pivot other end rotates and sets up at the mounting panel lateral wall, pivot fixed surface is equipped with the connecting rod, connecting rod other end fixedly connected with divides the flitch, divide the fixed spring expansion plate that is equipped with of flitch one end, divide the flitch concave surface to be equipped with the slope, just divide the flitch cross-section to set up for the arc.

As a further description of the above technical solution:

the one end that the spring expansion plate is close to screening section of thick bamboo main part is fixed to be equipped with and cleans the brush strip, clean brush strip laminating screening section of thick bamboo main part surface.

As a further description of the above technical solution:

the inside bottom of screening section of thick bamboo main part is equipped with the slope, the slope surface is equipped with multiunit toper piece.

As a further description of the above technical solution:

the motor is kept away from to the screening storehouse one end lateral wall is equipped with one-level discharge gate and second grade discharge gate respectively, one-level discharge gate and screening section of thick bamboo main part internal connection.

As a further description of the above technical solution:

the position that the screening storehouse top is close to the motor is equipped with the feed inlet.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

according to the invention, through the arranged screening cylinder assembly and the material distribution mechanism matched with the screening cylinder assembly, the materials in the screening bin can be turned, and the cleaning brush bar extrudes the screening net cover while screening, so that the screening net cover vibrates, and the screening net cover screens the materials, so that the materials can be screened more sufficiently, and meanwhile, the materials can be prevented from being accumulated on the surface of the screening net cover; through the brush strip that cleans that sets up, can clean the brush strip and clear up screening screen panel surface at the in-process of screening, avoid screening screen panel mesh to block up.

Drawings

FIG. 1 illustrates a schematic overall appearance structure provided according to the present invention;

FIG. 2 illustrates an overall cross-sectional view provided in accordance with the present invention;

FIG. 3 illustrates a schematic structural view at the location A-A of FIG. 2 provided in accordance with the present invention;

FIG. 4 shows a schematic view of the different states of FIG. 3 provided in accordance with the present invention;

FIG. 5 illustrates a partial enlargement of FIG. 3 provided in accordance with the present invention;

fig. 6 shows an enlarged structural schematic diagram of the spring expansion plate and the cleaning brush strip provided by the invention.

Illustration of the drawings: 1. a processing table; 2. a screening bin; 3. supporting legs; 5. a material distributing mechanism; 6. a screening cartridge assembly; 7. a material feeding port; 8. mounting a plate; 51. a motor; 52. a connecting rod; 53. a material distributing plate; 54. a spring expansion plate; 55. cleaning the brush strip; 61. a screening cartridge body; 62. screening a net cover; 63. fixing the rod; 64. fixing the sleeve; 65. a movable ejector rod; 66. a return spring; 67. an arc-shaped top block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a building cement screening device comprises a processing table 1 and a screening bin 2 arranged above the processing table 1, wherein a plurality of groups of supporting legs 3 are arranged between the screening bin 2 and the processing table 1, an installation plate 8 and a screening drum assembly 6 are fixedly arranged inside the screening bin 2, and a material distribution mechanism 5 used for matching the screening drum assembly 6 to carry out screening operation is further arranged inside the screening bin 2;

the screening cylinder assembly 6 comprises a screening cylinder main body 61 fixedly arranged between the inner wall of the screening bin 2 and the mounting plate 8, the upper end of the screening cylinder main body 61 is open, a sliding groove is formed in the inner wall of the upper end of the screening cylinder main body 61, a screening net cover 62 is slidably arranged in the sliding groove, a fixing rod 63 is fixedly arranged at the middle position in the screening cylinder main body 61, a plurality of groups of fixing sleeves 64 are arranged at the top ends of the fixing rods 63, a movable ejector rod 65 is slidably arranged in each fixing sleeve 64, a reset spring 66 is arranged between the inner part of each fixing sleeve 64 and the bottom end of the corresponding movable ejector rod 65, the top ends of the movable ejector rods 65 are fixedly arranged at the bottom of the screening net cover 62, and an arc-shaped ejector block 67 used for matching with the material distribution mechanism 5 to work is arranged at the top of the screening net cover 62; in the in-service use process, the arc kicking block 67 on screening screen panel 62 top can be extruded under feed mechanism 5's effect, and arc kicking block 67 resets again under the cooperation of reset spring 66 and activity ejector pin 65 afterwards to make screening screen panel 62 can be along the spout of screening section of thick bamboo main part 61 lateral wall constantly do up and down reciprocating vibration, sieve the material with the convenience more abundant.

Further, feed mechanism 5 is including the fixed motor 51 that sets up at screening storehouse 2 lateral walls, and motor 51 output shaft fixedly connected with pivot, the pivot other end rotate to set up at the 8 lateral walls of mounting panel, and pivot fixed surface is equipped with connecting rod 52, and connecting rod 52 other end fixedly connected with divides flitch 53, divides flitch 53 one end to be fixed and is equipped with spring expansion plate 54, divides flitch 53 concave surface to be equipped with the slope, and divides flitch 53 cross-section to be the arc setting.

Furthermore, one end of the spring expansion plate 54 close to the screening cylinder main body 61 is fixedly provided with a cleaning brush strip 55, and the cleaning brush strip 55 is attached to the outer surface of the screening cylinder main body 61; in the in-service use process, clean brush strip 55 under the effect of spring expansion plate 54, laminate screening section of thick bamboo main part 61 surface all the time, it is to screen panel 62 surface that the brush strip 55 moves when cleaning, clean brush strip 55 can clean screening screen panel 62 surface, prevent that the material from piling up on screening screen panel 62 surface, influence subsequent screening effect.

Further, the bottom end inside the screening cylinder main body 61 is provided with a slope, and the surface of the slope is provided with a plurality of groups of conical blocks; in the in-service use process, the inside material of screening section of thick bamboo main part 61 can constantly remove along the slope at the in-process of vibration, and the toper piece can prevent the material back motion, until the material is in the discharge gate ejection of compact.

Further, the one end lateral wall that motor 51 was kept away from in screening storehouse 2 is equipped with one-level discharge gate and second grade discharge gate respectively, one-level discharge gate and screening section of thick bamboo main part 61 internal connection.

Further, a material feeding hole 7 is arranged at the top of the screening bin 2 close to the motor 51.

The working principle is as follows: when the screening device is used, firstly, the vibrating device 4 is opened, the vibrating device 4 drives the screening bin 2 to vibrate by matching with the supporting legs 3, materials to be screened are added into the screening bin 2 from the material inlet 7, the motor 51 is opened, the motor 51 drives the connecting rod 52 to rotate through a rotating shaft, the connecting rod 52 further drives the material separating plate 53 to rotate, the material separating plate 53 can match with the spring expansion plate 54 and the cleaning brush bar 55 to lift the materials in the screening bin 2 while rotating, the materials pass through the top end of the screening barrel main body 61, the materials fall on the screening net cover 62 at the upper end of the screening barrel main body 61 under the action of gravity, the materials with smaller particles can enter the screening barrel main body 61, and the materials with larger particles fall into the screening bin 2 again;

wherein when cleaning brush 55 and removing arc kicking block 67 position, arc kicking block 67 can be extruded under the effect of cleaning brush 55, leave the back when cleaning brush 55, arc kicking block 67 resets again under reset spring 66 and activity ejector pin 65's cooperation afterwards, thereby make screening screen panel 62 constantly do reciprocating vibration from top to bottom along the spout of screening section of thick bamboo main part 61 lateral wall, with the convenient more abundant part of screening the material remains the material on screening screen panel 62 surface, can clear up again to screening storehouse 2 under the effect of cleaning brush 55, because all be equipped with the slope on screening section of thick bamboo main part 61 and the branch flitch 53, the material can constantly move to one-level discharge gate and second grade discharge gate department under the effect of vibration, until the ejection of compact.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A building cement screening device comprises a processing table (1) and a screening bin (2) arranged above the processing table (1), wherein a plurality of groups of supporting legs (3) are arranged between the screening bin (2) and the processing table (1), and the building cement screening device is characterized in that a mounting plate (8) and a screening barrel assembly (6) are fixedly arranged inside the screening bin (2), and a distributing mechanism (5) used for being matched with the screening barrel assembly (6) to carry out screening operation is further arranged inside the screening bin (2);

the screening cylinder assembly (6) comprises a screening cylinder main body (61) fixedly arranged between the inner wall of the screening bin (2) and the mounting plate (8), the upper end of the screening cylinder main body (61) is open, and the inner wall of the upper end of the screening cylinder main body (61) is provided with a sliding chute, a screening mesh enclosure (62) is arranged in the sliding chute in a sliding way, a fixed rod (63) is fixedly arranged at the middle position in the screening cylinder main body (61), a plurality of groups of fixed sleeves (64) are arranged at the top end of the fixed rod (63), a movable ejector rod (65) is arranged in the fixed sleeves (64) in a sliding manner, and a return spring (66) is arranged between the inside of the fixed sleeve (64) and the bottom end of the movable mandril (65), the top ends of the movable ejector rods (65) are all fixedly arranged at the bottom of the screening net cover (62), and an arc-shaped top block (67) used for being matched with the material distributing mechanism (5) to work is arranged at the top of the screening net cover (62).

2. The building cement screening device according to claim 1, wherein the distributing mechanism (5) comprises a motor (51) fixedly arranged on the side wall of the screening bin (2), an output shaft of the motor (51) is fixedly connected with a rotating shaft, the other end of the rotating shaft is rotatably arranged on the side wall of the mounting plate (8), a connecting rod (52) is fixedly arranged on the surface of the rotating shaft, a distributing plate (53) is fixedly connected to the other end of the connecting rod (52), a spring expansion plate (54) is fixedly arranged at one end of the distributing plate (53), a slope is arranged on the concave surface of the distributing plate (53), and the cross section of the distributing plate (53) is in an arc shape.

3. The building cement screening device according to claim 2, wherein a cleaning brush strip (55) is fixedly arranged at one end of the spring expansion plate (54) close to the screening cylinder main body (61), and the cleaning brush strip (55) is attached to the outer surface of the screening cylinder main body (61).

4. The building cement screening apparatus according to claim 2, wherein the inner bottom end of the screening drum main body (61) is provided with a slope, and the surface of the slope is provided with a plurality of groups of conical blocks.

5. The building cement screening device according to claim 1, wherein a first-stage discharge port and a second-stage discharge port are respectively formed in the side wall of one end, far away from the motor (51), of the screening bin (2), and the first-stage discharge port is connected with the inside of the screening cylinder main body (61).

6. The building cement screening device according to claim 1, wherein a material inlet (7) is formed in the top of the screening bin (2) close to the motor (51).